/***************************************************************************
 *   Copyright (C) 2005 by xihe   *
 *   xihels@163.com                                                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef _QQ_PACKET_BUF_H_
#define _QQ_PACKET_BUF_H_

#include <queue>
using std::queue;

#include "XPThread.h"
template <class T> class QQPacketBuf {
    public:
	typedef T* value_type;
	~QQPacketBuf(){
	    try {
		while (!buf.empty()) {
		    delete static_cast<value_type>(buf.front());
		    buf.pop();
		}
	    }
	    catch(...){}
	}
	void push(value_type var) {
	    {
		XMutexLock xmlock(mutex);
		buf.push(var);
	    }
	}

	value_type front() {
	    value_type var;
	    {
		XMutexLock xmlock(mutex);
		var = static_cast<value_type>(buf.front());
		buf.pop();
	    }
	    return var;
	}
	bool empty() { return buf.empty(); }
    private:
	XPthreadMutex mutex;
	// 所有queue都特化成void*, 以减少可执行文件体积
	queue<void*> buf;
	
};
#endif // _QQ_PACKET_BUF_H_

